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Situation around thea 0(980) meson after the experimentγγ→a 0→π 0 η

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Zeitschrift für Physik C Particles and Fields

Abstract

Based on the four-quark interpretation of the scalara 0(980) meson a model for theγγ→a 0→π 0 η reaction amplitude is constructed which describes well the experimental data. The ideas about the nature of thea 0(980) meson which appeared after the Crystal Ball measurement of the two-photon production of thea 0 meson are discussed briefly.

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Authors and Affiliations

  1. Department of Theoretical Physics, Institute for Mathematics, SU-630090, Novosibirsk-90, USSR

    N. N. Achasov & G. N. Shestakov

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  1. N. N. Achasov
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  2. G. N. Shestakov
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Achasov, N.N., Shestakov, G.N. Situation around thea 0(980) meson after the experimentγγ→a 0→π 0 η . Z. Phys. C - Particles and Fields 41, 309–317 (1988). https://doi.org/10.1007/BF01566931

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  • DOI: https://doi.org/10.1007/BF01566931

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